Truecrypt: invalid characters encountered

# Montar
sudo cryptsetup --type tcrypt open ruta-a-volumen-truecrypt truec1
sudo mount /dev/mapper/truec1 punto-montaje
# Desmontar
sudo umount /dev/mapper/truec1 
sudo cryptsetup --type tcrypt close truec1

(más: [SOLVED] Truecrypt stopped working)